OBSOX vs. CTSIX
Compare and contrast key facts about Oberweis Small-Cap Opportunities Fund (OBSOX) and Calamos Timpani Small Cap Growth Fund (CTSIX).
OBSOX is managed by Oberweis. It was launched on Sep 16, 1996. CTSIX is managed by Calamos. It was launched on Mar 23, 2011.
Performance
OBSOX vs. CTSIX - Performance Comparison
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OBSOX vs. CTSIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
OBSOX Oberweis Small-Cap Opportunities Fund | -0.48% | 14.28% | 16.13% | 15.81% | -11.17% | 43.39% | 32.52% | 5.30% |
CTSIX Calamos Timpani Small Cap Growth Fund | -4.77% | 25.90% | 44.34% | 7.57% | -37.30% | 9.12% | 63.38% | 1.20% |
Returns By Period
In the year-to-date period, OBSOX achieves a -0.48% return, which is significantly higher than CTSIX's -4.77% return.
OBSOX
- 1D
- -3.30%
- 1M
- -8.84%
- YTD
- -0.48%
- 6M
- 3.09%
- 1Y
- 28.05%
- 3Y*
- 11.23%
- 5Y*
- 10.87%
- 10Y*
- 15.43%
CTSIX
- 1D
- -3.92%
- 1M
- -9.84%
- YTD
- -4.77%
- 6M
- -1.18%
- 1Y
- 36.02%
- 3Y*
- 20.88%
- 5Y*
- 2.96%
- 10Y*
- —
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OBSOX vs. CTSIX - Expense Ratio Comparison
OBSOX has a 1.25% expense ratio, which is higher than CTSIX's 1.05% expense ratio.
Return for Risk
OBSOX vs. CTSIX — Risk / Return Rank
OBSOX
CTSIX
OBSOX vs. CTSIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Oberweis Small-Cap Opportunities Fund (OBSOX) and Calamos Timpani Small Cap Growth Fund (CTSIX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| OBSOX | CTSIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.99 | 1.29 | -0.30 |
Sortino ratioReturn per unit of downside risk | 1.50 | 1.84 | -0.33 |
Omega ratioGain probability vs. loss probability | 1.20 | 1.24 | -0.04 |
Calmar ratioReturn relative to maximum drawdown | 1.65 | 2.78 | -1.13 |
Martin ratioReturn relative to average drawdown | 6.39 | 10.72 | -4.33 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| OBSOX | CTSIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.99 | 1.29 | -0.30 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.44 | 0.11 | +0.33 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.63 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.30 | 0.39 | -0.10 |
Correlation
The correlation between OBSOX and CTSIX is 0.91, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
OBSOX vs. CTSIX - Dividend Comparison
Neither OBSOX nor CTSIX has paid dividends to shareholders.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
OBSOX Oberweis Small-Cap Opportunities Fund | 0.00% | 0.00% | 0.80% | 0.00% | 0.17% | 21.88% | 4.05% | 3.04% | 28.22% | 6.36% | 4.24% | 11.91% |
CTSIX Calamos Timpani Small Cap Growth Fund | 0.00% | 0.00% | 2.58% | 0.00% | 0.00% | 0.00% | 3.77% | 4.95% | 0.00% | 0.00% | 0.00% | 0.00% |
Drawdowns
OBSOX vs. CTSIX - Drawdown Comparison
The maximum OBSOX drawdown since its inception was -80.52%, which is greater than CTSIX's maximum drawdown of -50.83%. Use the drawdown chart below to compare losses from any high point for OBSOX and CTSIX.
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Drawdown Indicators
| OBSOX | CTSIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -80.52% | -50.83% | -29.69% |
Max Drawdown (1Y)Largest decline over 1 year | -13.92% | -12.38% | -1.54% |
Max Drawdown (5Y)Largest decline over 5 years | -28.65% | -50.60% | +21.95% |
Max Drawdown (10Y)Largest decline over 10 years | -42.79% | — | — |
Current DrawdownCurrent decline from peak | -11.40% | -12.38% | +0.98% |
Average DrawdownAverage peak-to-trough decline | -30.72% | -21.13% | -9.59% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.59% | 3.20% | +0.39% |
Volatility
OBSOX vs. CTSIX - Volatility Comparison
The current volatility for Oberweis Small-Cap Opportunities Fund (OBSOX) is 11.62%, while Calamos Timpani Small Cap Growth Fund (CTSIX) has a volatility of 12.38%. This indicates that OBSOX experiences smaller price fluctuations and is considered to be less risky than CTSIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| OBSOX | CTSIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 11.62% | 12.38% | -0.76% |
Volatility (6M)Calculated over the trailing 6-month period | 19.42% | 21.14% | -1.72% |
Volatility (1Y)Calculated over the trailing 1-year period | 28.23% | 29.23% | -1.00% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 24.77% | 27.79% | -3.02% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 24.49% | 29.69% | -5.20% |